The introduction of the horse to North America by the Spanish changed the lives of Native Americans, because A) Pacific Northwest Indians could hunt buffalo more efficiently. This made it easier for the Native Americans to hunt their buffalo in a more precise and organized manner, due to the way they could round the buffalo up.
        
                    
             
        
        
        
Answer:
New transportation systems such as rail, road sea and air were introduced. New languages, religions and a new way of life were introduced. The imperialists countries gained cheap, efficient workforce. Food production increased due to better farming methods. (part -a) 
Imperialism impacted societies in countless negative ways. It led to slave trade which then led to social discrimination around the world. It also damaged the cultures and created disunity among the natives. Last but not least, imperialism stripped countries off their natural resources and left nothing for the natives.(part-b)
 
        
             
        
        
        
An oligarchy is a system of government where a small number of individuals government a political entity. These individuals can be elected, but normally they are unelected officials who have been given the rights to lead through authoritarian methods. 
Democracies are a system of government whereby systems are put into place to allow individuals to vote for representatives or to vote directly on issues related to their political governance. 
Republics are democracies in that they involve elections and representation, however, republics institute certain protections for individual rights and liberties usually in a constitution or founding document to prevent the majority from controlling political decisions. 
        
             
        
        
        
The current constitution of South Africa has been created in 1996 and took effect in 1997. But the way to a democracy in RSA has been paved after the fall of Apartheid in 1994.